Jun 10, 2021 · On cold start the RPM raises and stays high for an extended period of time, and perhaps more importantly, the WG is fully opened which makes the exhaust significantly louder. Optional Cold Start removal. Quote. Its one of the many features available free of cost + burble , cold start delete,etc. G42Model Year: 2021 + Location: Los Angeles, CA. With the stock exhaust, the secondary cats or resonators aren't what eliminates drone, it's the flaps. lbs. After that white smoke disappear, I turn off my engine and today I start my engine 864. 1. 2. it's like +1. Not sure why it happens, but doing that "light" cold start modification seemed to fix it. Cold Start Delete will eliminate the fuel enrichment cycle on a cold start. Quote: Originally Posted by ///M. Can this "cold start" feature be disabled via coding or any other method? I've been lurking for a while, but I can't seem to find a solid answer to my question. Thanks all. I'm simply here to share what I learned. 30-50 seconds after, the sound is normal. Turn off the car and unplug both exhaust valve plugs. Ahh ok. 00] Cold Start with Catless downpipe. Drives: 15 M235i AT. But I have catless downpipes and complete cold start delete definitely caused a rough idle on cold days. G42Model Year: 2021 + Jul 16, 2022 · F80Model Year: 2014 - 2020. Appreciate 1 ReddsektoR 150. Cold starts open the turbo waste gates, makes the fuel richer, and increase RPM to warm up the cat converters. Completely stock otherwise. . Just wondering if anyone has encountered an issue which I currently have, when I start the car from a cold start I get ~2 seconds where the car slightly shakes but the revs don't seem to dip. F80Model Year: 2014 - 2020. You valves will now be in the open position at all times and modes. 290. Resonators just reduces the volume compared to using straight pipes or other type You can also find and follow me on:- Flickr: http://www. When cold, the car will start with a mild throttle blip (valves open) then immediately settle down to normal idle (valves closed). RPMs studder and will fall to 500rpms then bounce up to 1200rpms when it tries to catch itself. Tonee. i have 6MT but this should work for DCT also. Either that or leave the cold start on, but set the RPMs to something lower like 800. Location: Madison, Alabama. iTrader: ( 0) The reason bmw codes this start up process is to protect the turbo from low oil pressure at start up. The waste hate is open so that there’s no demand on the turbo. We can simply remove the Cold Start process that causes the engine/exhaust make a loud unpleasant noise while the ECU tries to warm up the CATs for emissions. Flash between tuned and stock files at anytime without the need to remove the ECU! Dec 17, 2018 · From my understanding Cold Start heats the engine / cat's up quicker to help with emission laws. Location: Bedford UK. Has only just started happening. Bimmerpost ☰ Model Selection. As title suggest, I have encountered the infamous cold start engine ticking noise. 50. When you fire your BMW M3 M4 F8x up in the morning with your new exhaust system, is it super loud and you piss off your neighbors? Nov 23, 2022 · From some research I found bootmod3, alpine and MHD, Providing tunes that have a cold start delete for the m550 engine. We offer the following stages for the F80/F82/F83 M3 and M4 Models (including F87 M2 Comp and CS): Stage I Software gains are ~60-70 HP & 90-100 ft. videos obviously don't do justice but everyone knows that. Cold Start Exhaust 330i (Resonator Delete, Flap Always Open) Appreciate 1 bquatt 218. Jul 20, 2018 · BMW M3 F80 ECU Tune with Cold Start Delete by VRTuned. Seeing how you turned off the cold start that is also where you would set the burbles. It can also help prevent stalling on a very cold engine. Appreciate 0 Quote 01-12-2021, 09:23 PM I just mainly want GTS roar and cold start delete. Its basically a change to a table, from the default value of 65 seconds to 0 seconds. The time has come to tune my carfor all the wrong reasons. Top Speed Limiter Delete will remove the factory speed limiter. flickr. With features such as Pops and Bangs, cold start delete, race exhaust updates, and even changing the vehicles Performance Display, the VR Tuned ECU Flash has tons to offer. Only throws misfire codes. . It'll take longer for the cats to warm up and the car might run shittier for longer. EDIT - Cold start with the I don't have the cold start delete. I sometimes go to work at 3-4am in a quiet estate. It will still adjust RPMs accordingly, although it’s barely noticeable, even in the cold. Mar 14, 2024 · Location: SFBA. Exhaust Burble adds a burble and crackle sound upon overrun Mar 25, 2024 · I am using MHD and with the cold start delete option, the car immediately settles to 650rpms from cold, none of this 45secs at 1250rpm. The car will not stall when cold with the cold start removed. M4. Dec 23, 2018 · 2015 BMW F80 M3 with ZCP muffler 2nd cat delete, resonator delete with X pipe and exhaust baffle flap opened They all have the option of the cold start delete or GTS start up roar. If I just put it in neutral, it ticks over fineit's only when I try to move forward or backwards. I thought the higher idle of a cold start is to help the car reach operating temperatures faster. I removed the cold start delete but kept the tune on. The car I purchased from Braheem had the cold start delete in the tune. Long crank on cold start after sitting overnight: 2. of torque! Stage II Software gains are between ~90-130HP & up to 150 ft. G22Model Year: 2020 + Jan 9, 2023 · This Beauty has 331kw 550 NMOnly 500 UNITS Worldwide Only 30 Units in SAEven the wheels have the Number of the Beast 666Macao Blue Metallic One of my favorit 1. cold start valve, plug hole in manifold, disconnect fuel line and. 00. F40Model Year: 2019 + Previous Generations F80Model Year: 2014 - 2020. iTrader: ( 0) Cold start is QUIET not loud? Hello! today I started up my car and didn't had any kind of cold start procedure. It's only after starting, in the first minute or so. Just looking for some real world users bc this stuff has the potential to violate warranty. As noted above, I don't find closing the exhaust valves make much difference. Will cold start delete help with mettalic rattle? Jan 12, 2021 · F80 BMW M3 DCT YMB 2008 BMW E93 6MT, Ess VT2 625. I have JB4 , DP, and valveless meisterschaft GT2 exhaust. Location: San Diego. My car misfires only on cold starts for about a a few seconds to a minute. We have a virtual machine designed for Mac users. ) Feb 12, 2017 · Originally Posted by bNks334. Cold start - Loud exhaust E92 M3 & F80 M3 & G82 M4. Noise disappeared completely when the engine was hot at first, but gradually took longer and longer go. Feb 16, 2023 · F30/N20: Cold Start Delete (Coding) Bimmerpost ☰ Model Selection. I drive around 1 mile to check oil level since the oil pan is leak and dealer not have ready stock I need to wait around 3 weeks. Not sure if MHD can, but it's absolutely possible for a tuner to delete the cold start function without touching any other part of the tune. Join Date: Mar 2013. Tweet. 0C out here and i think it should do the same as usual but there's no any warnings, codes from the car and the car feels okay. Aug 8, 2021 · iTrader: ( 0) Start the car and put it in sport plus mode. Adjustable Pops & Bangs/Burbles – Requires Bluetooth interface and Phone App Oct 20, 2018 · Early morning engine cold star, loud revs, and flybys on an Austin Yellow BMW F80 M3 Competition Package with Pro Tuning Freaks Bootmod3, Full System Akrapov Sep 20, 2016 · Cold start of my muffler delete f80 with Downpipe's. Apr 23, 2015 · Like the charcoal air intake filters, Activated charcoal canister with lines, sesnor, filter, also fuel tank vent valves, and of course the whole secondary air pump system with the valves, lines and pump that inject ambient air during the cold start exhaust port for emissions. G42Model Year: 2021 + The transmission tunes don't cause burbles. How is the lower RPM cold start? I deleted cold start via BM3 for approx 5,000 miles. Feb 9, 2018 · Completely Plug & Play System. Cold start delete tune. Fully revertible to stock at any time -- just plug your unaltered OEM ecu back in. Before I got cold start delete (MHD) I used to hold the revs at ~1500 rpms upon startup. **Update. I just like the sound of the cold start and want to add it back. Startup road is basically just a throttle blip to ~1500 on startup that lasts for a second. Colour Combo. Smooth idle (cold start delete), drives fine. It's a BPM tune and the car is strong in every way. After a quick visual check under the hood (nothing suspicious), a code scan (no codes in BM3 app), and a reset of adaptations (again, still won't idle for more than 5-6 seconds afterwards), I decided to try a re-flash of the same tune file. iTrader: ( 0) I've found that if I press the exhaust button, extinguishing the indicator light, prior to starting the car that the startup "roar" is eliminated. Thank you. Dec 29, 2020 · Noticed a pretty notable oil leak at the OFH/thermostat delete plate interface this morning during cold start, but went away almost entirely once the car warmed up. E81 We will remove all coding associated with rear O2 sensors Cold Start Delete - All BMW's have a cold start calibration to heat up the catalytic converters. Fear of crank hub issues. Totally get that increase in fuel from the supercharger will affect cat life. Quickest Way to get cold start delete User Name: Remember Me? Password Post Reply May 25, 2021 · iTrader: ( 1) Rough Idle at Startup. line, should be solid and fuel tight. Appreciate 0 Tweet. It's programmed at the ECU level and cannot be coded or bypassed. Yup, the $500 for the Alpine tune to delete cold start was 100% worth my wife not complaining about it. E90 / E91 / E92 / E93Model Year: 2006 - 2011. I liked the quieter start up better for sure, but smelled gas fumes during cold idling (akin to having cat delete) and the clicking noise from the front passenger side of the car when cold was annoying. of torque! I saw a video showing how to start up your hero car in Sport+ and it was so obvious it made me feel some type of way. Wrap the plugs up I'm electrical tape and tuck them away. The only way is keep your valve closed at cold start. Join Date: Mar 2010 CDV Delete, ER CP & 5" IC, Forge DV, PE Modded Mufflers, BMS DCI & Cowl Delete, CYBA E81 / E82 / E87 / E88Model Year: 2004 - 2011. b_w. iTrader: ( 0) N55 M2 - Purposely Coding Out Cold Start. I am running the single mid with the mpe and I think it sounds great. iTrader: ( 0) Quote: Originally Posted by ///MPower15. Cold Start: Macht Schnell and/or Tune "Delete" Bimmerpost ☰ Model Selection. This noise occurs on cold start and disappears after 2 minutes. Jan 15, 2021 · F80Model Year: 2014 - 2020. WOW! Love this setting and my new tweak that just continues to improve on the the way this car should have been from the Factory. Yesterday night, When I refills oil about 1/2 liter and I start my engine and it had white smoke but not thick it's like fog/vapor. iTrader: ( 0) I agree it definitely does not seem like the valetronic motor noise in the slightest. Feb 27, 2020 · F80 M3. Zero alternations to any factory equipment -- no wiring, no splicing, no cutting. Gains are 10-35 hp, depends on what software you currently have, your mods, and octane level. What are the down sides of a cold start delete? Or maybe just minimizing the cold start to a few seconds. iTrader: ( 0) The cold start does create a richer air-fuel mix, but it’s to warm up the cats faster, as they’re not effective when cold. Fire it up to quietness! All of our ECU Tuning is done through the OBDII port with our iFlash cable system. This can become extremely loud on cars with no CATs installed. Hello, Is that normal sound with Catless dp on cold start? N20. Dark Matter:2015 F80 M3:495/505. It isn't the jb4 that does it, it can be done in the back end flash, via BB or Mhd. ? Bad batch of o2 sensors? Unlikely. SOLD! Anti Matter :2016 F82 M4 GTS Like scary loud if you don't have a cold start delete. Warm or cold. What ever method you choose to plug the now not used fuel. What did not fix the issue: New injectors, spark plugs, coils and adaptation resets as well as valvetronic start up Nov 4, 2017 · F80 M3 Initial Detailing Journey and Review When the car starts up after being shut off for a period of several hours, it is extremely loud. SG/PS SOLD! Dark Matter:2015 F80 M3:495/505. It does a little more than just idle RPM. Hi all, I have a stage 2 2014 M4 with stock intakes, and have a problem where it's trying to stall as I add throttle straight off a cold start. Posts. Location: Waterloo, ON Canada. Appreciate 0. This demonstrates the cold start sound with the exhaust flap open by removin Engine Tuning /. 5k miles later and no CEL on the CS Map from VF. I would have thought that an engine needs a brief rich (warm up) regardless of having cats or not. 2012 F30 328i [10. I've drivin it over 100 miles and I've gone back to the inspector twice and keeps failing the emissions. Only way to delete cold start is to re-program the ecu which isnt much option for majority of people. facebook. G42Model Year: 2021 + Apr 21, 2021 · My m240 is louder on start up for about 30-45 seconds (I believe its the exhaust flap), if this system is the same as the M4 try this - start the engine, then lightly press the accelerator to about 1100 rpm and the flap closes, after 30-45 seconds let off the pedal and it settles down quietly. Sapphire Black / Silverstone. 4. Get in the car, press the start button with your foot off the peddle, turn on your sport plus options, and then start it up normally with your foot on the peddle. iTrader: ( 0) Cold start is mostly additional noise generation by fully opening wastegate flaps and adding additional idle speed. It supposedly does this to heat up the cats, but it's effect on this is negligible. After taking delivery of a 2017 CPO M4 Competition with 17000kms (11000 miles), I immediately heard the S55 clicking noise after cold Jan 13, 2016 · Hit up vtl, he might be able to code it. Learn more and order your VR Tuned ECU flash for BMW F80 M3 here Location: Virginia. mblaucoupe135. Ryan, the owner of this car had been to us before with his BMW 335D Xdrive 2 years ago and has returned with Jun 23, 2004 · about. As anyone experience this before . If they leave the flaps alone, deleting the secondary cats will just make the car a bit louder without drone, more so in sport and sport+. So, I would think, just cut the wires, insulate ends, disconnect. As much as I love my 2020 X4M Comp, I hate that this thing cold starts every damn time, even if I turn the car off for 10 min the car will cold start again once turn back on. The whole purpose of that first 30 seconds or so is to get the cats up to temperature so they start working as soon as possible - it's an emissions requirement. Today I was looking on my tune page at possible solutions to trick the computer or something to make my car pass emissions. After the flash, it started right up and kept going. Quote Drives: 11 E92 m3, 15 F80 M3, GLC 63. With cold start delete, do you still let the car sit for 60 seconds or so, then drive off? Or drive off right away? Personally, I will let the car idle for 90 seconds or so. G42Model Year: 2021 + Grey Matter:2008 E92 M3:608/425. iTrader: ( 0) Cold start question. Mate who lives along the street text me at 4am the other morning as I left saying 'that's you awake then'. Removing it will not cause any bad side affects. Could the cold start delete affect this? Maybe. E90 / E92Model Year: 2007 - 2013. I have seen people disable the cat warming function and the noise goes away. Burble change issues. Is that the first sign of the gasket going bad, or is this a common issue for those running the delete plates due to material/thickness differences, etc. I have muffler and resonator delete and on cold start in the AM, it Jan 2, 2018 · Join Date: Nov 2017. Doesn't do anything with the waste gates. iTrader: ( 0) BM3 Cold Start Delete with GTS ROAR. _____ Jun 22, 2023 · Drives: 2016 435i GC 2020 X4M Comp. Highly advised if you are running a catless exhaust system. I needed to delete cold start, and the side effect was more horsepower! I went with OpenFlash P iTrader: ( 0) Solve: F8X M3/M4 Cold Start engine click/tick/knock sound. Stock form is great for daily and track. You should be more interested in turning off the emissions monitors you will trigger. Dec 30, 2023 · E81 / E82 / E87 / E88Model Year: 2004 - 2011. But no negative consequence disabling it. Just keep the stock downpipes and do the secondary cat delete or get a new midpipe. With our first baby on the way my wife has raised concerns about the loud startup noise, particularly since our garage is situated directly below the bedrooms. Oct 2, 2021 · I think it failed because I had the cold start delete on my tune. ? Tune issue? Maybe. Throttle sensitivity issues. Definitely seems closer to a lifter ticking issue E81 / E82 / E87 / E88Model Year: 2004 - 2011. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > 328i (e90) Muffler + resonator delete video clip (acceleration, cold start etc. Thinking to allow the oil to cycle. If you immediately put it in gear and start moving you'll avoid the high idle portion of the cold start and the sound that comes along with it. #21. of torque! Stage II Software gains are ~70-90 HP & 115-125 ft. Thats all there is to it. 2015 BMW M5 [0. Your cats wont warm up and you're being unfriendly toward the environment. Would have posted this in the coding forum, but I'm not sure that is the answer here. lbs of torque gain. (the silver flat top valves on the side of the engine with the black Jan 30, 2022 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > Regional Forums > UK > cold start delete Google Search Search Forums Jan 20, 2015 · M3Post - BMW M3 Forum > E90/E92 M3 Technical Topics > Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications: Cold start cat heat cycle removal (for smoother cold starts) Jul 31, 2022 · My take is the SAP doesn't effect start up volume by a whole lot. For all cylinders and random misfire. 3. Sep 25, 2018. Aug 2, 2021 · E92 m3 cold start delete. If you remove the cats there is nothing there anymore to warm up, that is why people delete it. 00] Point of eliminating cold start routine is to reduce the amount of noise (which can be overbearing with some modified exhaust systems). Location: New Jersey. 01-23-2023, 09:41 AM. Cold start is to warm up the cats. plug it off. To get the burbles you need to tune the engine for that. com/photos/19bozzy92/- Facebook: https://www. I have a high flow cat anyway, so its pointless. I believe it uses an Aux Air Pump and Idles the engine higher to achieve this. AndyE said: Just for info, I first noticed mine ticking immediately after its first oil service at 2 years old and approx 11k miles. SOLD! Anti Matter :2016 F82 M4 GTS What next?!? A 2022 M235i GC- I must be getting old Apr 17, 2023 · Garage List. Previous owned 2016 F80, never experienced such sound. I have a 2015 M3 with a few mods but recently it's been running really rough at startup and even stalled a few times. Third start at end of the day: 30 May 2016. The only reason they do this higher revs for 45secs is to heat up the cats- so for emissions. Appreciate 2. ? However, in the context of the waste gates opening or closing, the BM3 cold start delete is still irrelevant. Jul 22, 2023 · A better recommendation would be to get high-flow catted downpipes and avoid CELs and any governmental regulations, etc. My motor swap is almost complete so I'll check once I get it running (N55 though). G42Model Year: 2021 + Mar 17, 2021 · iTrader: ( 0) Shaking on cold start. Sep 18, 2020 · F80 BMW M4 in for a remap + cold start delete + recalibrated sports displays + Vmax off. I car the car custom tuned using ECUtek and have a cold start delete, I'm guessing it could possibly be because of that. it was loud about 2 minutes like monster but today car didn't wanted to do that. If the engine is able to start and idle cleanly from cold without this, then sure, makes sense to disable. ago. The GTS start up roar was original to the M4 GTS. Cold start is just the exhaust wastegate being opened. This is where the cold start delete tune works all it's magic to decrease the volume. May 10, 2016 · The car's currently in for diagnosis, but if anyone else has seen and fixed this issue, I'm keen to hear from you. Join Date: May 2008. ? Any help would be appreciated. Also, it makes the EPA very unhappy, and stuff like a Sound without drone. Join Date: May 2011. Jan 20, 2022 · BMW M4 Cold Start Misfire. Jun 17, 2023 · E81 / E82 / E87 / E88Model Year: 2004 - 2011. Plugs were replaced in 2019 and it's probably only done 6000 miles since. E46Model Year: 2000 - 2006. Sep 17, 2019 · Aside from the big increase in power, our VR Tuned ECU flash improves throttle response and decreases turbo lag. Feb 28, 2020. Dec 6, 2022 · From the factory the 2023 M340 LCI cannot open the exhaust flap before starting. Just wanted to make sure that the cats taking longer to come up to temp wouldn't cause any unintended side effects. The cold start noise reduction turns off warming your cats for emissions purposes, which takes under a minute, turning it off or leaving it on will zero effect on oil changes/pressure. Personal realization that I don’t need more horsepower. Nov 24, 2022 · When I had cold start - I would let the car sit & idle until cold start cycle finishes then drive off. That is what i did. E81 / E82 / E87 / E88Model Year: 2004 - 2011. If I were you, I'd sell the JB4, get BM3 and enjoy the cold start delete in addition to everything else BM3 offers. I still enjoy the cold start delete as well as rev matching in sport+. iTrader: ( 0) N55 Misfires Cold Start. E90 / E92Model Year Sep 25, 2018 · Crayon. ijustbrushalot • 4 yr. Second start after successful crank: 3. For what it's worth, from cold my 330i starts and only briefly goes up to no higher than 1500 rpm and then drops and settles at 1000 rpm With the VR Tuned ECU flash, not only can you gain some serious horsepower and torque, but we can also remove the that annoying Cold Start. It's pretty seamless and still has that aggressive start without being disruptive. Zero down time -- don't need to send in anything to anyone, just plug this system in and off you go. If you're unhappy with the way your BMW idles/runs while cold, select this option and we will adjust the cold start in your tune. Reply. They up the clamping pressure of the dct, change shift points and speed. This is to warm the cat as fast as possible. Here's the technique i use to start car in an HOA neighborhood and not get kicked out lol. Quote Mar 14, 2015 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright You can now tune using your stock map with just the cold start removed. com/19Bozzy92YT- Google+: https://plus - Elimination of cold start routine for quieter and smoother starts - Removed Top Speed Limiter - Selective mapping of throttle response in Normal and Sport modes Stage I Software gains are between ~70-110 HP & 90-130 ft. G42Model Year: 2021 + Bootmod3 can delete the cold start, but you have to buy the full license to have access to that feature. I have a 2018 n55 BMW m2 with a full dinan exhaust (catback + mid pipes). It does also prevent the car from idling at a notably higher rate on cold start. The cold start high idle and sound come from a combination of richened mixtures and very late ignition timing. Performance Engine Software - BMW F8x M3/M4 & F87 M2 - 2014-2021. $795. #11. That keeps the engine quite! Not as effective as the actual cold start delete, but it will keep your neighbors from calling the cops on you again until you get the situation properly sorted. Just put a MHD JB4 back end flash and you have to option to disable cold start. When you hear the valves open and exhaust note change. The DME revs the engine to 1200 rpm to get the oil pressure up to snuff quickly. This will help lower the volume of the vehicle on cold start. Scrubs said: Yeah flaps are closed by default at start up, although I can open them with my CG Controller if I want to wake everyone in a 30 mile radius. The cold start delete only lowers the rpm on startup so the car just starts right to idle speed. May 3, 2021 · I have stock downpipes with an M Performance exhaust on a VF CS tune with the cold start delete. It is the relatively rich start up conditions, spark retardation, and intake and exhaust valve adjustments causing valve overlap that makes all the cold start racket sounds that we love so much. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. its LOUD. Join Date: Aug 2012. Some people say it's the hydraulic lifters ticking and had them replaced under warranty but then only for the noise to return lol. Bootmod3 lets you delete cold start altogether, but as above, I'd need to remap and select than option into the new map when flashing. yfwsdctkkzdmsxlzwbgg